I am from Washington DC and, while it's true that the President is always accompanied by a security retinue -- for reasons well-founded in history -- it is not

I am from Washington DC and, while it's true that the President is always accompanied by a security retinue -- for reasons well-founded in history -- it is not uncommon to see members of either legislative body walking around unattended. It used to be more common, that's true, but it's still not unusual. The less of a media profile they have, the more likely it is that you'll run into them at a coffee shop.